Company facts
- Founded
- 1987
- Employees
- 6,000
- Headquarters
- United States
- Type
- Public
- Listed
- NASDAQ: CSGP
About
CoStar Group is a global leader in commercial real‑estate information, analytics, and online marketplaces, founded in 1986. Through flagship brands such as CoStar, LoopNet, Apartments.com, Homes.com, Domain, Matterport, STR, Ten‑X, and OnTheMarket, the company delivers comprehensive data, spatial analytics, and digital marketplaces that enable professionals to discover, evaluate, and transact properties worldwide. Its 3D digital‑twin technology and advanced analytics transform buildings into actionable data, supporting smarter investment decisions and operational efficiencies. With over 143 million monthly visitors and a culture that blends technological innovation with deep market expertise, CoStar empowers real‑estate professionals to make data‑driven decisions and grow their businesses.